Iic Rated Floor Assemblies

Fire tests may be conducted at any one of several recognized facilities.

Iic rated floor assemblies.

Quick selector for fire and sound rated systems gypsum wallboard floor ceilings wood framing floor truss cad file name golds dwg or golds dxf no. This catalog of sound rated wall and the purpose of the indexing system is. Dupree office of noise control california department of health services berkeley california 94704 introduction building codes. Description stc test no.

The lowest iic rated floors ceiling assemblies come in at around 25 and the highest rated systems can come in at 85 and up. One hour fire rated partition parallel to one side of min. Fire resistance ratings represent the results of tests on assemblies made up of specific materials in a specific configuration. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.

Iic national gypsum quick selector general reference 23 9 1 hr. Vibrating equipment should be. Measures a floor ceiling assembly s resistance to transmission of structure borne or impact noise such as footfall or a chair dragging on the floor. Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1.

There are a number of factors that determine the impact insulation class or iic of your floor ceiling assembly. One hour fire rated partition 3. In base layer and 1 5 8 2. Impact sound complaints are common on floor ceiling assemblies that meet the bare minimum requirement of 50 decibels iic.

Common guidelines to use when selecting the proper iic rating for your space. Iic impact isolation class astm e492 e989 and stc sound transmission class astm e336 e413 are both tests for sound traveling through the total floor ceiling assembly from an upper living area to a lower living area. Two hour fire rated partition. These include the finish floor the substrate and the ceiling system below in addition to your choice of sound mat or soundproofing underlayment.

Stc and iic lab tests. Wall floor assembly guide construction designs for acoustical control sound can transmit between electrical outlets through wiring separate wiring of each occupancy can minimize this problem. Stc rates a partition s or material s ability to block airborne sound such as a television or people having a conversation. Iic 50 the least amount of impact sound transmission reduction considered effective.

25 gauge metal studs 24 with 1 type s drywall screws 36 o c. Stc rated wall assemblies. Some occupants would be dissatisfied with this level of. Insulation for sound fire rated assemblies.

Fm fc 214 two layers 1 2 12 7 mm fire shield c wallboard est.